any size hook
any color yarn
--Square is worked in rows, rather than rounds
--This pattern is more suitable for smaller squares than one large one if you plan to use it for an afghan.
Row 1: (dc, ch 2, 2 dc) in 4th ch from hook; beg ch counts as 1st dc, now and throughout
Row 2 and after: ch 3, turn --1st dc-- , dc in each dc across to ch-sp, (2 dc, ch 2, 2 dc) in ch-sp, dc in each dc the rest of the way across
repeat row 2 to desired size
optional border: sc around square, placing 3 sc in each corner